Engine valve guide. 22mm diameter, 64mm long, 16 x 1.25 thread.Suitable for exhaust for 60mm blocks. 4 are required per engine block. Compatible with G1-3E exhaust valves.G2-3E - 22 x 64mm Engine Valve GuideSKU: G2-3E£35.26PriceQuantityAdd to CartType 35, 43